set oracle_sid=ora11gsqlplus / as sysdbacreate directory expdpbak as ‘d:\expdpbak‘;expdp HBHMP/HBHMP DIRECTORY=expdpbak CONTENT=METADATA_ONLY DUMPFILE=hbhmp.dmp logfile=hbhmp.log
ORACLE 导空表结构
原文：http://www.cnblogs.com/wdw31210/p/5584925.html
